Analysis

  • max time kernel
    149s
  • max time network
    131s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    22/08/2026, 14:19

General

  • Target
    2026-08-21_5f68f1a19d2af7ec5d7ee1931fff1723_elex_mafia_stealc_tofsee.exe
  • Size 486KB
  • Sample260822-rmvv7azves
  • SHA256 b1ada6d53a5e011d9b175b3aaf7aa0418f486931eeb1c65c42e30fe1b1794999
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-21_5f68f1a19d2af7ec5d7ee1931fff1723_elex_mafia_stealc_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-21_5f68f1a19d2af7ec5d7ee1931fff1723_elex_mafia_stealc_tofsee.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:552
    • C:\Users\Admin\AppData\Local\Temp\D349.tmp
      "C:\Users\Admin\AppData\Local\Temp\D349.tmp" --helpC:\Users\Admin\AppData\Local\Temp\2026-08-21_5f68f1a19d2af7ec5d7ee1931fff1723_elex_mafia_stealc_tofsee.exe E3EE282238EB0A707C23424157FBC8A5703A74B349D259194636E1F50E088F4A42F5BA3726B5DFE4ABE4A187E5C59157946114D12A42E29E308E58568A3949DA
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:4432
      • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
        "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\2026-08-21_5f68f1a19d2af7ec5d7ee1931fff1723_elex_mafia_stealc_tofsee.docx" /o ""
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of SetWindowsHookEx
        PID:5992

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        2026-08-21_5f68f1a19d2af7ec5d7ee1931fff1723_elex_mafia_stealc_tofsee.docx

        • Path C:\Users\Admin\AppData\Local\Temp\2026-08-21_5f68f1a19d2af7ec5d7ee1931fff1723_elex_mafia_stealc_tofsee.docx
        • Size 140KB
        • SHA256 ca91bbd477e2a516997c48dde3da1a5eae4cad86ca664fea54f0103739073c94
        • MD5 SHA1 SHA512 SSDEEP TLSH

        D349.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\D349.tmp
        • Size 486KB
        • SHA256 565defda6a556974eed27e7f6c736faee7c44a3813223d69b667e2c7e46b4951
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5992-21-0x00007FF9E67A0000-0x00007FF9E6A03000-memory.dmp

        memory/5992-22-0x00007FF9E67A0000-0x00007FF9E6A03000-memory.dmp

        memory/5992-14-0x00007FF9A68E0000-0x00007FF9A68F0000-memory.dmp

        memory/5992-13-0x00007FF9A68E0000-0x00007FF9A68F0000-memory.dmp

        memory/5992-16-0x00007FF9A68E0000-0x00007FF9A68F0000-memory.dmp

        memory/5992-17-0x00007FF9E67A0000-0x00007FF9E6A03000-memory.dmp

        memory/5992-19-0x00007FF9E67A0000-0x00007FF9E6A03000-memory.dmp

        memory/5992-18-0x00007FF9A68E0000-0x00007FF9A68F0000-memory.dmp

        memory/5992-12-0x00007FF9A68E0000-0x00007FF9A68F0000-memory.dmp

        memory/5992-15-0x00007FF9E68FF000-0x00007FF9E6900000-memory.dmp

        memory/5992-20-0x00007FF9E67A0000-0x00007FF9E6A03000-memory.dmp

        memory/5992-23-0x00007FF9A3BB0000-0x00007FF9A3BC0000-memory.dmp

        memory/5992-26-0x00007FF9E67A0000-0x00007FF9E6A03000-memory.dmp

        memory/5992-27-0x00007FF9E67A0000-0x00007FF9E6A03000-memory.dmp

        memory/5992-25-0x00007FF9E67A0000-0x00007FF9E6A03000-memory.dmp

        memory/5992-24-0x00007FF9E67A0000-0x00007FF9E6A03000-memory.dmp

        memory/5992-28-0x00007FF9A3BB0000-0x00007FF9A3BC0000-memory.dmp

        memory/5992-39-0x00007FF9E67A0000-0x00007FF9E6A03000-memory.dmp